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CARBON MONOXIDE CONCENTRATION REDUCING SYSTEM, CARBON MONOXIDE CONCENTRATION REDUCTION, AND PRODUCTION OF CARBON MONOXIDE SELECTIVELY OXIDATIVE CATALYST
CARBON MONOXIDE CONCENTRATION REDUCING SYSTEM, CARBON MONOXIDE CONCENTRATION REDUCTION, AND PRODUCTION OF CARBON MONOXIDE SELECTIVELY OXIDATIVE CATALYST
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机译：一氧化碳浓度降低系统，一氧化碳浓度降低和一氧化碳选择性氧化催化剂的生产
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摘要
PROBLEM TO BE SOLVED: To further improve the activity of a carbon monoxide selectively oxidative catalyst so as to further broad the temperature range affording enough activity to promote carbon monoxide selective oxidation reaction. SOLUTION: The system has such a scheme that a CO selective oxidation selection 34 is packed with a CO selectively oxidative catalyst consisting of a metal catalyst composed of platinum and ruthenium and the interior of the section 34 is divided into seven zones A1 to A7 from the upstream toward the down stream side. The A1 zone has only ruthenium as catalytic metal, while the A7 zone only platinum, the A2 to A6 zones have mixtures thereof, respectively, so that the proportions of ruthenium are higher toward the upstream side, thereby, in the CO selective oxidation section 34, the temperature range affording enough high activity to promote CO selective oxidation reaction is wider toward the upstream zones.
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